Orrery Terrain · OrreryTerrainCore module · function
Native::
ScatterSubCellsInRect
ExperimentalThe sub-cells of a chunk that a world rectangle (cm, inclusive) touches: what a footprint or keep-clear change dirties.
Declaration
uint16_t ScatterSubCellsInRect(const FScatterPosts& Posts, double MinXCm, double MinYCm, double MaxXCm, double MaxYCm);- Header
#include "Native/TerrainScatter.h"- Module
PublicDependencyModuleNames.Add("OrreryTerrainCore");in your module’s Build.cs.- Stability
- Experimental: supported, may change in a minor version, with a changelog line.
- Thread
- Tier 1: plain C++, no allocation, deterministic in canonical order (ascending candidate index), any thread. (the header’s rule)
Description
The caller grows the rectangle by the largest keep-clear margin.
Parameters
| Name | Type | Default | Meaning |
|---|---|---|---|
Posts | const FScatter | — | — |
MinXCm | double | — | — |
MinYCm | double | — | — |
MaxXCm | double | — | — |
MaxYCm | double | — | — |